TEX/Favorites

\textstyle \frac{x}{y} \frac{x}{y} \textstyle \sum_x^n \sum_{x=1}^{n} \textstyle \prod_x^n \prod^{x=1}_{n} \textstyle \int_a^b \int_{a}^{b} f (x)\,dx \textstyle \frac{\partial x}{\partial y} \frac{\partial x}{\partial y} \textstyle \sqrt x \sqrt{x} \textstyle \sqrt[3]{x} \sqrt[3]{x} \textstyle f(x) f(x) \lim \lim_{x\to\infty}

\sin \sin (x) \cos \cos (x) \tan \tan (x) \log \log (x) \ln \ln (x)

\le \le \ge \ge \neq \neq \approx \approx \equiv \equiv \propto \propto \infty \infty

\alpha \alpha \beta \beta \gamma \gamma \delta \delta \epsilon \epsilon \zeta \zeta \eta \eta \theta \theta \vartheta \vartheta \kappa \kappa \lambda \lambda \mu \mu \xi \xi \pi \pi \rho \rho \sigma \sigma \tau \tau \phi \phi \varphi \varphi \chi \chi \psi \psi \omega \omega

\Rightarrow \Rightarrow \rightarrow \rightarrow \Leftarrow \Leftarrow \leftarrow \leftarrow \Leftrightarrow \Leftrightarrow \vec{x} \vec{x}

( \left( ) \right) [ \left[ ] \right] \{ \left{ \} \right} \textstyle {n \choose k} {n \choose k}

\Box \Box \forall \forall \exists \exists \in \in \not\in \not\in

\mbox{Taylor} f(x) = \sum_{k=0}^{\infty } \frac{ f^{k} (a) }{ k! } (x - a)^k \mbox{Euler}^1 e^{i \varphi } := \cos \varphi + i \sin \varphi